Answer Posted / sk

there are four concepts of ooad in java they are........
1.Polymorphism:one name many forms.
ex:overloading(compile time polymorphism)
overiding(Run time polymorphism)
2.Abstraction:unclearness
ex:when ever we are invoking any method
what logic is performing we do not know but we are getting
the output
3.Inheritance:we are reuse the code by using the extends
keyword
4.Encpsulation:binding the variable and methods is known as
encapsulation

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